CISA Adds Four Known Exploited Vulnerabilities to Catalog

CISA has added four new vulnerabilities to its Known Exploited Vulnerabilities KEV Catalog, based on evidence of active exploitation. CVE-2025-25249 Fortinet Multiple Products Heap-based Buffer Overflow Vulnerability CVE-2026-19490 Citrix NetScaler Authentication Bypass Using an Alternate Path or...

Citrix NetScaler Authentication Bypass Using an Alternate Path or Channel Vulnerability

Citrix NetScaler ADC and NetScaler Gateway contain an authentication-bypass vulnerability involving an alternate path or channel. When the NetScaler appliance is configured as an AAA virtual server or as a Gateway SSL VPN, ICA Proxy, CVPN, or RDP Proxy, an unauthenticated remote threat actor may ...

Citrix Workspace app for Windows Security Bulletin CVE-2026-78546 and CVE-2026-78547

Severity - Medium Description of Problem Two vulnerabilities have been discovered that impact the Citrix Workspace app for Windows. Affected Versions The vulnerabilities affect the following supported versions of the Citrix Workspace app for Windows. Current Release CR Citrix Workspace app for...

PT-2026-88526

Out-of-bounds write vulnerability in Citrix Citrix Workspace app for Windows. This issue affects Citrix Workspace app for Windows: before 2603.11 Current Release CR, before 2507.1 LTSR CU3, and before LTSR 2607...

PT-2026-88525

Out-of-bounds read vulnerability in Citirx Workspace app for Windows. This issue affects Workspace app for Windows: before 2603.11 Current Release CR, before 2507.1 LTSR CU3, and before LTSR 2607...

NetScaler ADC Component Compromise Data Compromise

The vulnerability of the nsppe component of the NetScaler ADC application delivery controller formerly Citrix ADC and the NetScaler Gateway virtual environment access control system formerly Citrix Gateway relates to bypassing the authentication process by using an alternative path or channel...

Exploit for Improper Restriction of Operations within the Bounds of a Memory Buffer in Citrix Netscaler_Application_Delivery_Controller

CitrixBleedCVE-2026-8452-2025-5777 CitrixBleed Exploit To...

CISA Adds Six Exploited Flaws to KEV, Including NetScaler, Linux, and SQL Server Bugs

The U.S. Cybersecurity and Infrastructure Security Agency CISA on Wednesday added six flaws to its Known Exploited Vulnerabilities KEV catalog, including a high-severity security vulnerability impacting Citrix NetScaler ADC and NetScaler Gateway, citing evidence of active exploitation. The...

Citrix NetScaler ADC and NetScaler Gateway Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability

Citrix NetScaler ADC and NetScaler Gateway contain an improper restriction of operations within the bounds of a memory buffer vulnerability which could lead to denial of service...

CVE-2026-19490: Critical Vulnerability Affecting Citrix NetScaler ADC and NetScaler Gateway

Overview On August 19, 2026, a security advisory was published for CVE-2026-19490, a critical authentication bypass vulnerability affecting Citrix NetScaler ADC and NetScaler Gateway. The vulnerability carries a CVSS v4.0 base score of 9.3 and can be exploited remotely by an unauthenticated...

EUVD-2026-62395

Vulnerability in NetScaler ADC and NetScaler Gateway. This issue affects ADC: from 14.1 through 73.32 and from 13.1 through 63.21; Gateway: from 14.1 through 73.32 and from 13.1 through 63.21...

EUVD-2026-62394

Vulnerability in NetScaler ADC and NetScaler Gateway. This issue affects ADC: from 14.1 through 73.32 and from 13.1 through 63.21; Gateway: from 14.1 through 73.32 and from 13.1 through 63.21...

Exploit for Deserialization of Untrusted Data in Citrix Session_Recording

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PT-2026-78351

Name of the Vulnerable Software and Affected Versions NetScaler ADC versions 13.1 through 63.21 NetScaler ADC versions 14.1 through 73.32 NetScaler Gateway versions 13.1 through 63.21 NetScaler Gateway versions 14.1 through 73.32 Description An authentication bypass exists in the nsppe component ...

CVE-2026-18751

External control of file name or path vulnerability in Citrix WorkSpace App on MacOS. This issue affects WorkSpace App: 2607...

CVE-2026-18751 Citrix Workspace App for Mac Security Bulletin for CVE-2026-18751

External control of file name or path vulnerability in Citrix WorkSpace App on MacOS. This issue affects WorkSpace App: 2607...

EUVD-2026-60701

External control of file name or path vulnerability in Citrix WorkSpace App on MacOS. This issue affects WorkSpace App: 2607...

CVE-2026-18751 Citrix Workspace App for Mac Security Bulletin for CVE-2026-18751

External control of file name or path vulnerability in Citrix WorkSpace App on MacOS. This issue affects WorkSpace App: 2607...

CVE-2026-18751

Citrix Workspace App for Mac (versions before 2607 ) is affected by an external control of file name or path vulnerability (CWE-73). If exploited, it allows arbitrary root file modification , enabling privilege escalation from a local authenticated user to root. The attacker must already have loc...

Vulnerabilities in Citrix Netscaler ADC and Netscaler Gateway

Citrix has identified vulnerabilities in NetScaler ADC and NetScaler Gateway that are related to inadequate input validation, incorrect access control, and improper memory release. The vulnerabilities, identified as CVE-2026-8451 and CVE-2026-10817, arise from inadequate input validation, where t...